Mini-Splits & Heat Pumps Reviews & Guides
Ductless mini-split and heat pump reviews built from real owner reports - DIY pre-charged kits, single and multi-zone systems, and ducted units. Scored on heating and cooling performance, reliability, and value.
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TroubleshootingWhy Your Mini-Split Smells, and What to Do About Each Odor
Mini-split smells like dirty socks, vinegar, sewer, fish or burning? What each odor points to, what you can safely check, and when to call a pro. (updated 2026)
TroubleshootingMini-Split Defrost Mode Explained
Mini-split stopped blowing, steaming or iced up outside? What normal defrost looks like, how long it runs, and when ice needs a service call. (updated 2026)
TroubleshootingMrCool Error Codes and What to Do
MrCool DIY 5th Gen error codes from the manual: EL 0C, EH C1, EL 01, PC 03 and more, what you can safely do, and when to call MRCOOL. (updated 2026)
TroubleshootingMini-Split Not Heating or Blowing Cold Air: What to Check
Mini-split blowing cold air or not heating? Check the startup delay, mode and 46°F setting, filter, defrost, snow on the outdoor unit and leaks. (updated 2026)
TroubleshootingMini-Split Leaking Water Inside? Causes and Fixes
Mini-split leaking water inside? Check filters and coil ice, clear the drain, check slope, level and sweating lines, and know when to call a pro. (updated 2026)